Suzhou Nanomicro Technology Co.Ltd(688690) : Suzhou Nanomicro Technology Co.Ltd(688690) announcement on the renewal of the company’s audit institution in 2022

Securities code: Suzhou Nanomicro Technology Co.Ltd(688690) securities abbreviation: Suzhou Nanomicro Technology Co.Ltd(688690) Announcement No.: 2022017 Suzhou Nanomicro Technology Co.Ltd(688690)

Announcement on reappointment of the company’s audit institution in 2022

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear legal responsibility for the authenticity, accuracy and integrity of its contents according to law. Important content: financial and internal control audit institution to be appointed: Rongcheng Certified Public Accountants (special general partnership)

Suzhou Nanomicro Technology Co.Ltd(688690) (hereinafter referred to as “the company”) convened the seventh meeting of the second board of directors and the sixth meeting of the second board of supervisors on March 9, 2022, and deliberated and adopted the proposal on renewing the appointment of the company’s audit institution in 2022, The company plans to renew the appointment of Rongcheng Certified Public Accountants (special general partnership) (hereinafter referred to as “Rongcheng certified public accountants”) as the company’s external auditor in 2022. The proposal still needs to be submitted to the 2021 annual general meeting of shareholders of the company for deliberation. Relevant matters are hereby announced as follows:

1、 Basic information of the accounting firm to be employed

(I) institutional information

1. Basic information

Rongcheng Certified Public Accountants (special general partnership) was renamed from the former Huapu Tianjian Certified Public Accountants (special general partnership). It was initially established in August 1988 and restructured into a special general partnership on December 10, 2013. It is one of the first certified public accountants in China to be allowed to engage in securities service business and has been engaged in securities service business for a long time. The registered address is 901-22 to 901-26, foreign economic and Trade Building 1, No. 22, Fuchengmenwai street, Xicheng District, Beijing, and the chief partner Xiao houfa.

2. Personnel information

As of December 31, 2021, Rongcheng accounting firm has 160 partners and 1131 certified public accountants, of which 504 have signed the audit report of securities service business.

3. Business scale

The total audited revenue of Rongcheng certified public accountants in 2020 is 1875787300 yuan, including 16312632 million yuan from audit business and 7361092 million yuan from securities and futures business.

Rongcheng certified public accountants has undertaken the annual report audit of 274 listed companies in 2020, with a total audit fee of 318433900 yuan, Customers are mainly concentrated in manufacturing (including but not limited to computer, communication and other electronic equipment manufacturing, special equipment manufacturing, electrical machinery and equipment manufacturing, chemical raw materials and chemicals manufacturing, automobile manufacturing and pharmaceutical manufacturing) and information transmission, software and information technology services, construction, wholesale and retail, water conservancy Environmental and public facilities management industry, transportation, storage and postal industry, scientific research and technical services industry, financial industry, power, heat, gas and water production and supply industry, culture, sports and entertainment industry, mining industry and other industries. Rongcheng certified public accountants has 185 audit clients for listed companies in the same industry.

4. Investor protection ability

Rongcheng certified public accountants has purchased professional liability insurance for certified public accountants, and the purchase of professional insurance complies with relevant regulations; As of December 31, 2021, the cumulative limit of liability and compensation is 900 million yuan.

In the past three years, there is no relevant civil litigation and civil liability in practice.

5. Integrity record

Rongcheng certified public accountants has received 0 criminal punishment, 0 administrative punishment, 1 supervision and management measure, 1 self-discipline supervision measure and 0 disciplinary punishment for its practice in recent three years.

Five employees have been subject to self regulatory measures once due to their professional behavior during their practice in Rongcheng certified public accountants in recent three years; 11 employees have been supervised and managed once during their practice in Rongcheng certified public accountants in recent three years.

10 employees have been subject to supervision and management measures once each during their practice in other accounting firms in recent three years. (II) project information

1. Project members

Project partner: he Shuang, who became a Chinese certified public accountant in 2014, began to engage in the audit business of Listed Companies in 2007 and began to practice in Rongcheng firm in 2019. He has successively provided many companies with securities business audit services such as IPO declaration audit and annual report audit of listed companies. He has no part-time job and has professional competence.

Certified public accountant signing the project: Mao Caiyu, who became a Chinese certified public accountant in 2015, began to engage in the audit business of Listed Companies in 2018 and began to practice in Rongcheng firm in 2019. He has successively provided many companies with securities business audit services such as IPO declaration audit and annual report audit of listed companies. He has no part-time job and has professional competence.

Reviewer of project quality control: Tang Yan, who became a Chinese certified public accountant in 2013, began to engage in the audit business of Listed Companies in 2013 and began to practice in Rongcheng certified public accountants in 2021; Signed or reviewed audit reports of Shanghai Gentech Co.Ltd(688596) , Shanghai Haoyuan Chemexpress Co.Ltd(688131) and other listed companies in recent three years.

2. Integrity records of the above-mentioned relevant personnel

He Shuang, the project partner, Mao Caiyu, the signing certified public accountant, and Tang Yan, the reviewer of project quality control, have not been subject to criminal punishment, administrative punishment, supervision and management measures, self-discipline supervision measures and disciplinary sanctions for their professional behavior in recent three years.

3. Independence

Rongcheng Certified Public Accountants (special general partnership) and the above personnel do not violate the independence requirements of the code of professional ethics for Chinese certified public accountants.

4. Audit fees

Pricing principle of audit fees: the final audit fees shall be determined according to the company’s business scale, industry, complexity of accounting treatment and other factors, as well as the auditors required for the audit of the company’s annual report, the workload invested and the charging standard of the firm.

In 2021, Rongcheng certified public accountants paid a total of Shanghai Pudong Development Bank Co.Ltd(600000) yuan (excluding tax) for the company’s financial audit, internal control and assurance.

With regard to the audit fee in 2022, the general meeting of shareholders is requested to authorize the board of directors to determine the audit fee in 2022 according to the specific workload and market price level of financial audit in 2022.

2、 Procedures to be performed by the proposed financial and internal control audit institution

(I) convening, deliberation and voting of the audit committee of the board of directors

On February 28, 2022, the company held the first meeting of the audit committee of the second board of directors in 2022 and passed the proposal on renewing the company’s audit institution in 2022. In view of Rongcheng Certified Public Accountants (special general partnership) scrupulously abiding by its responsibilities during the company’s IPO and issuing audit reports for the company objectively and fairly in accordance with independent audit standards. In order to maintain the continuity of the company’s audit work, it is agreed that the company will hire Rongcheng Certified Public Accountants (special general partnership) as the company’s financial audit and internal control audit institution in 2022. It is agreed to submit the proposal to the board of directors for deliberation and voting and submit it to the 2021 annual general meeting of shareholders of the company for deliberation.

(II) opinions of independent directors

1. Prior approval of independent directors

In the process of providing audit services for the company, Rongcheng Certified Public Accountants (special general partnership)) has followed the independent, objective and fair practice standards, provided professional and high-quality financial audit and internal control audit services for the company, and has rich experience in business handling. The practitioners of the firm have good practice quality and ethics.

Therefore, we agree to submit the proposal on the renewal of the company’s audit institution in 2022 to the seventh meeting of the second board of directors for deliberation.

2. Independent opinions of independent directors

After verification, we believe that Rongcheng Certified Public Accountants (special general partnership) has relevant business qualification. In the process of providing audit services for the company, Rongcheng certified public accountants has worked diligently, independently, objectively and fairly, followed the independent audit standards for Chinese certified public accountants, completed the company’s audit work on schedule and fulfilled the responsibilities and obligations stipulated by both parties. The renewal of the firm can ensure the stability and continuity of the company’s audit work. We agree to renew the appointment of Rongcheng Certified Public Accountants (special general partnership) as the company’s audit institution in 2022.

(III) convening, deliberation and voting of the board of directors

The company held the seventh meeting of the second board of directors on March 9, 2022, and passed the proposal on renewing the appointment of the company’s audit institution in 2022, agreeing to appoint Rongcheng Certified Public Accountants (special general partnership) as the company’s financial audit and internal control audit institution in 2022. And submit it to the 2021 annual general meeting of shareholders of the company for deliberation.

(IV) the appointment of financial and internal control audit institutions by the company needs to be submitted to the general meeting of shareholders for deliberation, and will take effect from the date of deliberation and approval by the general meeting of shareholders.

3、 Online announcement attachment

Suzhou Nanomicro Technology Co.Ltd(688690) independent directors’ independent opinions on matters related to the seventh meeting of the second board of directors of the company.

Suzhou Nanomicro Technology Co.Ltd(688690) board of directors March 11, 2022

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